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Cerium(IV) oxide-gadolinium doped

Name: Cerium(IV) oxide-gadolinium doped
Brand: ALDRICH

nanopowder, contains 10 mol % gadolinium as dopant

Synonym(s):

Gadolinium doped ceria

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About This Item

Empirical Formula (Hill Notation):

CeO₂

Molecular Weight:

172.11

MDL number:

MFCD04040745

UNSPSC Code:

26111700

PubChem Substance ID:

24874799

NACRES:

NA.23

form

nanopowder

contains

10 mol % gadolinium as dopant

composition

Ce_0.9Gd_0.1O₂

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

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surface area

>100 m²/g

particle size

5-10 nm (crystallite size)
<500 nm (secondary)

greener alternative category

, Enabling

SMILES string

[Gd].O=[Ce]=O

InChI

1S/Ce.Gd.2O

InChI key

ZBPTVGKVCOMWPA-UHFFFAOYSA-N

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General description

Cerium(IV) oxide-gadolinium doped nanopowder (10 mol% gadolinium doped) is an electrolytic material with high oxygen-ion conductivity, which operates at low temperatures. It can be prepared by a variety of methods such as sol-gel, wet chemical process, co-precipitation, hydrothermal and other combustion routes.

Gadolinium doped ceria may be prepared by cation complexation sol-gel technique. XRD, specific surface area, morphology has been described in a study. Higher oxygen ion conductivity of GDC over zirconia-based materials makes it a preferable choice for some components of SOFCs.

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Application

Gadolinium doped ceria (GDC) may be used as an intermediate temperature electrolyte for solid oxide fuel cells (SOFCs) at elevated temperatures.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Chemically-induced stresses in gadolinium-doped ceria solid oxide fuel cell electrolytes

Atkinson A, et al.

Solid State Ionics, 95(3-4), 249-258 null

Microstructure and Grain-Boundary Effect on Electrical Properties of Gadolinium-Doped Ceria.

Zhou XD, et al.

Journal of the American Ceramic Society. American Ceramic Society, 85(7), 1757-1762 (2002)

Thermal expansion of Gd-doped ceria and reduced ceria.

Hayashi H, et al.

Solid State Ionics, 132(3), 227-233 (2000)

Synthesis and properties of Gadolinium-doped ceria solid solutions for IT-SOFC electrolytes

Fuentes RO and Baker RT

International Journal of Hydrogen Energy, 33(13), 3480-3484 (2008)

Articles

Advances in Materials for Solid Oxide Fuel Cells

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